Futex::futexWait returns FutexResult

[folly.git] / folly / detail / Futex.h

diff --git a/folly/detail/Futex.h b/folly/detail/Futex.h
index 1e72b15ce14289a87909947c9423b11a83ea1199..000bf1a62dcfad7ebfac2acdf1fc437307600498 100644 (file)
--- a/folly/detail/Futex.h
+++ b/folly/detail/Futex.h
@@ -52,10 +52,10 @@ struct Futex : Atom<uint32_t>, boost::noncopyable {
   /** Puts the thread to sleep if this->load() == expected.  Returns true when
    *  it is returning because it has consumed a wake() event, false for any
    *  other return (signal, this->load() != expected, or spurious wakeup). */
   /** Puts the thread to sleep if this->load() == expected.  Returns true when
    *  it is returning because it has consumed a wake() event, false for any
    *  other return (signal, this->load() != expected, or spurious wakeup). */

-  bool futexWait(uint32_t expected, uint32_t waitMask = -1) {
+  FutexResult futexWait(uint32_t expected, uint32_t waitMask = -1) {

     auto rv = futexWaitImpl(expected, nullptr, nullptr, waitMask);
     assert(rv != FutexResult::TIMEDOUT);
     auto rv = futexWaitImpl(expected, nullptr, nullptr, waitMask);
     assert(rv != FutexResult::TIMEDOUT);

-    return rv == FutexResult::AWOKEN;
+    return rv;

   }
 
   /** Similar to futexWait but also accepts a deadline until when the wait call
   }
 
   /** Similar to futexWait but also accepts a deadline until when the wait call